DIELECTRIC-COATED SPHERICALLY - TIPPED CONDUCTING CONE ANTENNA EXCITED IN THE UNSYMMETRIC HYBRID MODE AT MICROWAVE FREQUENCIES

R CHATTERJEE, T S VEDAVATHY

Abstract


An approximate theory has been derived for the radiated field and gain of the dielectric-coated spherically-tipped conducting cone antenna excited in the unsymmetric hybrid mode, assuming a given distribution of surface currents on the antenna. The calculated radiation patterns and gain of a large number of antennas of varying dimensions have been verified by experiment in the X-band. The measured input impedance of the antennas has been reported.

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